Features strong mechanical life, durability, and protecting your home from intrusions Featuring 2 hardened steel interlocks throw bolts, Designs to be pry resistant for increased door security Make from high strength iron, this door is strong and Enduring Designs with double Bolts, Perfectly for family house, flat gate, door Suitable for a door thickness of between 1.37in ( 35mm) to1.96in ( 50mm) Wood or metal door, Manufacturer: Obotsnoi